由于我国北方自上周末以来一直持续大雾天气,有专家担忧,空气中含有的浓度较高的颗粒物很可能会导致包括肺部感染以及肺癌在内的多种呼吸道疾病。
The foggy whether has been stayed in the north of our country since last weekend, and that made some experts concerned that concentrated powers in the air could cause respiratory illness like lung infectin or lung cancer.